<%@ page language="java" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<a href="/maven_53_01/el01.jsp">链接1</a><br>
<a href="<%=request.getContextPath() %>/el01.jsp">链接2</a><br>
<a href="${pageContext.request.contextPath }/el01.jsp">链接3</a><br>
<%
((HttpServletRequest)pageContext.getRequest()).getContextPath();
%>
</body>
</html>